High severity · published Sep 25, 2024
CVE-2024-6594
WatchGuard Firebox Single Sign-On Client Denial-of-Service
7.5
CVSS
0.6%
EPSS
No
On KEV
Description
Improper Handling of Exceptional Conditions vulnerability in the WatchGuard Single Sign-On Client on Windows causes the client to crash while handling malformed commands. An attacker with network access to the client could create a denial of service condition for the Single Sign-On service by repeatedly issuing malformed commands.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SC
SSO Client · WatchGuard
12.0 through 12.7 · source: vendor
SS
Single Sign-on Client · Watchguard
through 12.7 · source: NVD, CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-6594
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-6594
psirt.watchguard.com
https://psirt.watchguard.com/CVE-2024-6594
www.redteam-pentesting.de
https://www.redteam-pentesting.de/advisories/rt-sa-2024-008
Vendor Advisory
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2024-00016
More from SSO Client
9.1
CVE-2024-6592
WatchGuard Firebox Single Sign-On Agent Protocol Authorization Bypass